Site Map
Every page on CalculateRoofPitch, grouped by topic. Looking for something specific? The search bar in the header (or ⌘K) can find it faster.
Main pages
Roof Pitch Calculator
The main calculator with five modes and mobile sensor support.
Guides & Articles
Recent posts and the full silo index.
Pitch Selector
A 4-question wizard to recommend a pitch range.
About
Editorial team and methodology.
Methodology
How we source and verify the math, prices, and code references.
Contact
How to reach the editorial team — corrections, feedback, media.
Site Map
(You are here.) Every page in one place.
Common Pitches
A complete library of standard roof pitches from 1/12 to 24/12, with applications, material compatibility, and visual examples.
Common Roof Pitches & Their Applications (overview)
Minimum Pitch for Corrugated Steel Roof
How shallow you can install corrugated metal — manufacturer specs and IRC.
High-Pitched Roof
When a roof is considered "high-pitched", and the practical implications.
Shed Roof Slope
Recommended pitches for sheds, with a sizing table by climate.
18/12 Pitch Roof
A very steep 18:12 — when you see it, what it costs, and why.
8/12 Pitch Roof — Pictures & Examples
Visual examples of 8:12 pitch with profile diagrams and house types.
5/12 Roof Pitch
The conventional middle ground — characteristics and best uses for 5:12.
3/12 Roof Pitch
A low-slope 3:12 — material constraints and best applications.
4/12 Roof Pitch
The most common residential pitch — what 4:12 means in practice.
6/12 Roof Pitch
A versatile residential standard — pitch characteristics, materials, costs.
7/12 Roof Pitch
A moderately steep pitch with broad applications — angle and applications.
9/12 Roof Pitch
A steep 9:12 pitch — angle, applications, and walkability.
11/12 Roof Pitch
A steep 11:12 — close to the 12/12 threshold but distinct.
12/12 Roof Pitch
The 45° pitch — when you see it, what it costs, and why it matters.
Best Roof Slope for Snow
Pitch recommendations for snow country, plus snow guard and load advice.
Patio Roof Pitch
Choosing a pitch for patio and porch covers — drainage and clearance.
10/12 Roof Pitch
A steep 10:12 pitch — angle, applications, and walkability.
2-Pitched Roof
Two-pitch (gable) roof basics, framing, and pitch selection.
Lean-to Shed Roof Slope
Picking the right slope for a lean-to shed against an existing wall.
How to Measure
Field measurement guide — three methods, safety tips, and how to verify your numbers before ordering material.
Rafter Length
Calculate common rafter length, plumb cut, seat cut, ridge offset, and overhang — with cut diagrams.
Rafter Length Calculator (overview)
House Rafter
Anatomy of a residential rafter — terms, cuts, and common framing layouts.
Angle Rafter
Calculating rafter angles for plumb, seat, and tail cuts.
How to Measure and Cut Roof Rafters
Step-by-step layout and cutting walkthrough using a framing square.
Rafter Size
Lumber sizing charts for rafters by span, spacing, and snow load.
How to Layout Rafters
Practical layout methods for common rafters using a framing square.
Rafter Tables PDF
Span and length tables for common rafter framing, downloadable for the field.
Cut Rafter Tails
Plumb-cut, square-cut, and ornamental rafter-tail profiles explained.
Pergola Rafter Span Chart
Maximum spans for pergola rafters by lumber size and spacing.
Truss Calculator
Truss height, chord lengths, count, and budget cost for any span and pitch — Fink, attic, scissor, and mono types.
Roofing Calculators
Roofing-area, sheathing, and material estimators that account for pitch, hips, valleys, and waste.
Roofing Calculator (overview)
Metal Roof Quote
How to estimate the cost of a metal roof — variables and average ranges.
Figuring Metal Roofing
Calculating panel quantity, trim, and fasteners for metal roofs.
Flat Roof Replacement Cost Calculator
Estimate replacement cost for membrane and built-up flat roofs.
Hip Roof Square Footage Calculator
Calculate hip-roof surface area from footprint and pitch.
Roof Sheathing Calculator
Estimate plywood / OSB sheets for any roof size and pitch.
Roof Load Capacity Calculator
Estimate dead, live, and snow load capacity by lumber size and span.
Ridge Beam Calculator
Sizing a ridge beam for cathedral and vaulted ceilings.
Cedar Shake Roof Cost Calculator
Estimate cedar shake roofing cost by area, grade, and labour.
Hip-to-Gable Roof Volume Calculator
Estimate the added attic volume from a hip-to-gable conversion.
Measuring Tools
Hands-on guide to measuring tools every roofer, framer, and DIYer should know — from the speed square to laser distance meters.
Construction Measuring Devices (overview)
Construction Measuring Instruments
Tapes, levels, squares, angle finders, and lasers — terminology and selection.
Digital Measuring Devices
Digital tape measures, smart levels, and laser distance meters compared.
4×6 Span Table
Maximum spans for 4×6 lumber as joists, rafters, and beams.
Engineered I-Beam Span Chart
Span charts for engineered I-joists in common framing depths.
Roof Truss Sizes
Standard truss profiles, sizes, and pitch options for residential builds.
Rise Over Run
Master the rise-over-run concept used for roofs, ramps, stairs, and roads — with worked examples for each.
Build Calculators
A growing set of practical carpentry and construction calculators that pair with the roof pitch tool.
Carpenter Calculator Hub (overview)
Wall Stud Calculator
Calculate stud count for any wall length and stud spacing.
Siding Calculator
Estimate siding square footage by wall area, with waste factor.
Stair Calculator
Calculate stair rise, run, stringer length, and step count for code-compliant stairs.
Concrete Block Calculator
Block count, mortar, and grout volume for any CMU or cinder block wall.
Floor Joist Calculator
Joist count, allowable span, and IRC R502 compliance check for any floor framing job.
Cost to Build a House Calculator
2026 estimates by region, square footage, and quality tier — with cost breakdown by category.
Kitchen Remodel Cost Estimator
2026 kitchen remodel pricing by scope, finish quality, and region.
Home Renovation Cost Calculator
Whole-house and multi-room renovation pricing by scope and finish quality.
Bathroom Addition Cost Calculator
Bathroom remodel and addition pricing for 2026 by scope and finish.
Retaining Wall Block Calculator
Block count, base material, and drainage gravel for any retaining wall.
Wood Shed Calculator
Material list, lumber, roofing, and cost for any shed size.
LVL Beam Calculator
Sizing engineered lumber beams for residential framing.
Road Gradient Calculator
Convert road slope between rise/run, percent, and degrees.
DIY Roofing
What you can realistically do yourself, what you cannot, and how it changes your cost calculation.
DIY Roof Replacement Cost (overview)
Cheapest Way to Replace a Roof
Cost-saving strategies that do not compromise roof life or warranty.
Changing Roof Tiles Cost
Tile replacement cost ranges and DIY vs. pro decision factors.
How to Make Rafters
A first-timer's guide to laying out and cutting common rafters.
Roof Sheathing Replacement Cost
When and how often sheathing must be replaced, and what it costs.
Roof Glossary
A plain-language glossary of every roofing term you will encounter, from "abutment" to "valley".
Roofing Vocabulary & Glossary (overview)
Roof Replacement
What a full roof replacement involves — scope, timeline, and cost drivers.
Roof Replacement Cost
National cost ranges for roof replacement by material and roof size.
How Much Does It Cost to Replace a Roof
2026 pricing for roof replacement — typical ranges by region, material, and house size.
New Roof Installation
Process, timeline, and contractor selection for new roof installation.
Cost of Roof Repair
Common roof repairs and their typical cost ranges.
Roof Quote
How to request, read, and compare quotes from contractors before hiring.
Asphalt Shingle Prices
Current prices for 3-tab and architectural asphalt shingles.
How Many Square Feet in a Square of Shingles
A "square" equals 100 sq ft — what that means for ordering shingles.
Roofing Square = 100 Square Feet
The roofing-square unit explained, with conversion examples.
Metal Roof Pricing Per Square
Per-square pricing for metal roofs by panel type.
How to Pick Shingle Color
Choosing a shingle colour that complements siding, climate, and resale.
Roofing Labor
Typical labour rates for roofing work and what drives them.
Roofing Materials Prices
A current price index for popular roofing materials.
Blog posts
Solar Panels and Roof Pitch: What Installers Don't Tell You
Pitch versus latitude, why your roof is probably wrong for ideal solar production, and the trade-offs of tilt mounts.
The Five Most Common Roof Pitch Conversion Mistakes
Five conversion mistakes that show up in real projects, what they cost, and how to avoid them.
What the 2024 IRC Updates Mean for Roof Pitch Requirements
Subtle minimum-pitch and underlayment changes in IRC 2024 that affect residential roof specifications.
Insurance Claims After Wind Damage: The Seven-Day Window
A practical post-storm timeline: what to do in the first hours, days, and weeks to protect your claim.
A 12-Point Spring Roof Inspection Checklist
A 12-point checklist any homeowner can use to catch small roof problems before they become large ones.
Cheap Tools vs. Expensive Tools for Measuring Roof Pitch
Phone apps, basic angle finders, and laser distance meters compared for measuring roof pitch.
A Tour of the Free Roofing Calculators on This Site
A roundup of every free calculator on this site, with notes on when to use each one.